266228195 has 16 divisors (see below), whose sum is σ = 323678208. Its totient is φ = 210198240.

The previous prime is 266228189. The next prime is 266228201. The reversal of 266228195 is 591822662.

It is an interprime number because it is at equal distance from previous prime (266228189) and next prime (266228201).

It is not a de Polignac number, because 266228195 - 2²⁰ = 265179619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132992 + ... + 134978.

It is an arithmetic number, because the mean of its divisors is an integer number (20229888).

Almost surely, 2^266228195 is an apocalyptic number.

266228195 is a deficient number, since it is larger than the sum of its proper divisors (57450013).

266228195 is a wasteful number, since it uses less digits than its factorization.

266228195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330.

The product of its digits is 103680, while the sum is 41.

The square root of 266228195 is about 16316.5006971470. The cubic root of 266228195 is about 643.3066130872.

The spelling of 266228195 in words is "two hundred sixty-six million, two hundred twenty-eight thousand, one hundred ninety-five".